package com.hand.qt24953.service;

import com.hand.qt24953.bean.User;
import org.springframework.stereotype.Service;

/**
 * @author qiutao
 * @date 2019/7/17
 */
@Service
public interface UserService {

    Long insertUser(User user);

    int updateUser(User user);

    int deleteUser(Long userId);
}
